CN114100783A

CN114100783A - Ceramic powder preparation device

Info

Publication number: CN114100783A
Application number: CN202111441507.7A
Authority: CN
Inventors: 不公告发明人
Original assignee: Chongqing Fujite Machinery Manufacturing Co ltd
Current assignee: Binzhou Ono New Material Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-01
Anticipated expiration: 2041-11-30
Also published as: CN114100783B

Abstract

The invention provides a ceramic powder preparation device which comprises a machine body, a baffle ring, a grinding roller, a driving mechanism, a scraping mechanism, a screening mechanism and a distributing mechanism. This ceramic powder preparation facilities can carry out effectual material and add, makes the material add to the mill bench uniformly, has avoided the material to pile up inhomogeneous, and causes the phenomenon such as the empty mill of grinding roller or card pause, has improved the efficiency of milling. The rolling effect of the rolling roller is improved, the yield can be improved, and the production cost is reduced.

Description

Ceramic powder preparation device

Technical Field

The invention relates to the technical field of ceramic material preparation, in particular to a ceramic powder preparation device.

Background

Ceramic is a material with rich raw material sources, long traditional skills, hardness, durability and a series of excellent properties, and along with the rapid development of modern science and technology, ceramic is used as an important structural and functional material and is widely applied to various fields of machinery, chemical engineering, metallurgy, electronics, biomedicine, environmental protection and the like.

The ceramic material can be changed into a ceramic preparation raw material again after being recycled in the production process or recycled waste porcelain, for example, the waste material is ground into powder, and then some additives are added to form a new raw material. Thus, the influence on the environment can be reduced, and the use efficiency of resources can be improved.

After the ceramic waste is broken into small pieces, the ceramic waste can meet the requirement of subsequent production and use by further processing coarse particles into fine particles. When the grinding device is used for grinding, when materials are added to the grinding table, the materials are not uniformly stacked, and the phenomena of idle grinding or jamming of the grinding roller and the like are easily caused. Meanwhile, materials can be continuously accumulated on the grinding table, so that effective collection and treatment cannot be carried out, and the problems of low grinding efficiency and low production efficiency are easily caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a ceramic powder preparation device to improve the charging uniformity and the grinding efficiency.

In order to achieve the purpose, the invention provides a ceramic powder preparation device which comprises a machine body, wherein a feeding cavity, a grinding cavity and a discharging channel are sequentially arranged in the machine body from top to bottom, the feeding cavity, the grinding cavity and the discharging channel are communicated, a grinding table is formed at the bottom of the grinding cavity, the grinding table is annular, and the discharging channel is positioned in the center of the grinding table; the baffle ring is matched on the grinding table in a lifting mode, the baffle ring and the grinding table are arranged concentrically, and when the baffle ring retracts into the grinding table, the top of the baffle ring is flush with the surface of the grinding table; the grinding roller is arranged on the grinding table and is positioned between the retaining ring and the inner wall of the grinding cavity when the retaining ring extends out of the grinding table; the driving mechanism is rotationally connected with the grinding roller and is used for driving the grinding roller to rotate around the center of the grinding table; the scraping mechanism is connected with the driving mechanism, and can scrape and push the materials on the grinding table into the discharging channel when the baffle ring retracts into the grinding table; the screening mechanism is arranged at the bottom of the machine body and is communicated with the discharge channel, and the screening mechanism is used for screening the milled materials; the material distribution mechanism comprises a material blocking seat which is arranged in the feeding cavity, an annular blanking port is formed between the bottom of the material blocking seat and the bottom of the feeding cavity, and the vertical projection of the blanking port is positioned on the grinding table; the material distribution disc is arranged at the top of the material blocking seat, a feeding cylinder is arranged on the machine body, and the feeding cylinder, the material distribution disc and the blanking port are all arranged concentrically with the grinding table; and the first motor is arranged in the material blocking seat and is connected with the material distributing disc.

Preferably, the material blocking seat is fixed on the machine body through a plurality of connecting columns, the material blocking seat is in a shape of a circular truncated cone, the feeding cavity and the milling cavity are both in a cylindrical shape, the material blocking seat, the feeding cavity and the milling cavity are concentrically arranged, and the vertical projection of the blanking port is located in the projection range of the track of the grinding roller rotating around the center of the milling platform;

keep off and be provided with in the material seat and hold the chamber, first motor is installed hold the intracavity, it is in to divide the charging tray setting keep off the top of material seat, the top that keeps off the material seat is provided with a plurality of supports that are used for the universal ball of branch charging tray, it is a plurality of universal ball is followed the axis that keeps off the material seat is the annular array and arranges.

Preferably, grind the bench be provided with the endocentric holding tank of discharging channel, fender ring sliding fit is in the holding tank, be provided with a plurality of first cylinders in the holding tank, every the piston rod of first cylinder with the bottom of keeping off the ring is connected.

Preferably, the number of the scraping mechanisms is two, and the scraping mechanisms comprise scraping plates; one end of the support arm is connected with the driving mechanism; the guide frame is arranged on the support arm, and a mounting plate is vertically matched on the guide frame in a sliding manner; the second air cylinder is arranged at the top of the guide frame, and a piston rod of the second air cylinder is connected with the top of the mounting plate; the corner motor is arranged at the bottom of the mounting plate; and the connecting rod is vertically movably penetrated through the support arm, the connecting rod can rotate relative to the support arm, one end of the connecting rod is connected with a rotating shaft of the corner motor, and the other end of the connecting rod is connected with the top of the scraper.

Preferably, the driving mechanism comprises a second motor, a partition plate is arranged in the accommodating cavity, the first motor is mounted at the top of the partition plate, and the second motor is mounted at the bottom of the partition plate; the rotating shaft is vertically arranged on the material blocking seat and is rotationally connected with the material blocking seat, the upper end of the rotating shaft is connected with an output shaft of the second motor, and the rotating shaft and the grinding table are concentrically arranged; the support arm is connected to the fixed seat, a sliding cavity is formed in the fixed seat, two guide grooves communicated with the sliding cavity are formed in two sides of the fixed seat respectively, and the guide grooves extend vertically; the number of the grinding rollers is two, the connecting shafts sequentially penetrate through the guide groove, the sliding cavity and the guide groove on the other side along the transverse direction, and two ends of each connecting shaft are respectively in rotating connection with one grinding roller; a sliding seat is vertically matched in the sliding cavity in a sliding manner and fixedly penetrates through the connecting shaft; and the compression springs are arranged in the sliding cavity, and two ends of each compression spring are respectively connected with the top of the sliding seat and the top of the sliding cavity.

Preferably, the screening mechanism comprises a base; a plurality of damping springs mounted on the base; the box body is arranged on the plurality of damping springs, a feed inlet is formed in the top of the box body, a guide cylinder is arranged at the bottom of the discharge channel, and the guide cylinder extends into the feed inlet and is spaced from the feed inlet; the vibration motor is arranged on the box body and is used for driving the box body to vibrate; the screen is obliquely arranged in the box body, a first discharge hole is formed in one side, far away from the feed inlet, of the box body, and the first discharge hole is connected with the lower end of the screen; and the material guide plate is obliquely arranged in the box body and is positioned below the screen, a second discharge hole is arranged below the first discharge hole, and the second discharge hole is connected with the lower end of the material guide plate.

The invention has the beneficial effects that:

1. the invention discloses a ceramic powder preparation device.A driving mechanism can drive a grinding roller to rotate circumferentially around a grinding table and rotate, so that materials on the grinding table are ground. When keeping off the ring and withdraw completely in rolling the platform, keep off the top of ring and roll a surface and flush, actuating mechanism drives simultaneously again and rolls the roller and scrape the material mechanism and rotate around the center of rolling the platform, scrape the material mechanism can be gradually with rolling the material on the platform scrape and impel discharging channel to enter into and sieve in the screening mechanism.

Through carrying out the grinding and the screening that circulate to useless pottery, be convenient for sieve qualified powder fast out, avoided qualified ceramic powder volume to press on grinding the platform to influence the grinding of roller to the material, cause the roller and can't fully grind, when promoting the effect of rolling of roller, improved the yield, reduced manufacturing cost.

2. First motor drive divides the charging tray rotatory, and the material that falls from the feeding section of thick bamboo falls on dividing the charging tray, under the effect of centrifugal force, the material can be got rid of the inner wall in feeding chamber uniformly on, then fall the mill bench in the chamber of grinding along the blanking mouth, so, can carry out effectual material to this ceramic powder preparation facilities and add, make the material add to mill bench uniformly, avoided the material to pile up inhomogeneous, and cause the empty phenomenon such as grinding of grinding roller or card pause, improved the efficiency of milling.

3. Through designing two sets of scraper systems, not only can strengthen scraping the ability and the efficiency of pushing away the material, simultaneously, two scraper blades can follow not equidirectional rotation respectively, through mutually supporting to will grind the material on the bench and scrape the effective range of rolling that impels the roller as far as possible, so, improved this ceramic powder preparation facilities's the efficiency of milling greatly, thereby reduce the operating duration of equipment, practiced thrift manufacturing cost.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of a ceramic powder preparation apparatus according to an embodiment of the present invention;

FIG. 2 is another schematic view of a ceramic powder production apparatus;

FIG. 3 is a schematic structural view of a scraper separating from a grinding table;

FIG. 4 is a schematic view of the blade rotation and descent;

FIG. 5 is a transverse cross-sectional view of the body in the state of FIG. 3;

FIG. 6 is a transverse cross-sectional view of the body in the state of FIG. 4;

fig. 7 is a schematic diagram of two scrapers scraping material into the effective rolling range of the roller.

Reference numerals:

1-machine body, 11-feeding cavity, 12-grinding cavity, 13-discharging channel, 14-grinding table, 15-discharging opening, 16-feeding cylinder, 17-holding tank, 18-guiding cylinder, 2-baffle ring, 3-grinding roller, 4-driving mechanism, 41-second motor, 42-rotating shaft, 43-fixing seat, 431-sliding cavity, 432-guiding groove, 44-connecting shaft, 45-sliding seat, 46-compression spring, 5-scraping mechanism, 51-scraping plate, 52-supporting arm, 53-guiding frame, 54-mounting plate, 55-second cylinder, 56-corner motor, 57-connecting rod, 6-screening mechanism, 61-base, 62-damping spring, 63-box body, 631-feeding opening, 632-a first discharge port, 633-a second discharge port, 64-a vibration motor, 65-a screen, 66-a material guide plate, 7-a material distribution mechanism, 71-a material blocking seat, 711-an accommodating cavity, 72-a material distribution disk, 73-a first motor, 74-a connecting column, 75-universal balls, 76-a partition plate and 8-a first air cylinder.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 7, in an embodiment of the present invention, there is provided a ceramic powder manufacturing apparatus, including a machine body 1, a baffle ring 2, a grinding roller 3, a driving mechanism 4, a scraping mechanism 5, a sieving mechanism 6, and a material separating mechanism 7.

Wherein, feeding chamber 11, the chamber 12 and discharging channel 13 that grind that the top-down that have the intercommunication in proper order is provided with in organism 1, and the chamber bottom of grinding chamber 12 is formed with grinds platform 14, and grind platform 14 is the annular, and discharging channel 13 is located the center of grinding platform 14.

Keep off ring 2 lifting fit on grinding platform 14, keep off ring 2 and grind platform 14 and arrange with one heart, when keeping off ring 2 withdrawal and grind in the platform 14, keep off the top of ring 2 and grind 14 surfaces flush, when keeping off ring 2 and stretching out and grind the platform 14 when outer, keep off ring 2 and can stop to grind the material on the platform 14 and fall into in discharging channel 13.

The milling rollers 3 are arranged on the milling table 14, and when the baffle ring 2 extends out of the milling table 14, the milling rollers 3 are positioned between the baffle ring 2 and the inner wall of the milling chamber 12. The driving mechanism 4 is arranged on the machine body 1, and the driving mechanism 4 is rotatably connected with the grinding roller 3 and is used for driving the grinding roller 3 to rotate around the center of the grinding table 14. The scraping mechanism 5 is connected with the driving mechanism 4, when the baffle ring 2 retracts into the grinding table 14 and the top of the baffle ring 2 is level with the surface of the grinding table 14, the scraping mechanism 5 can scrape the materials on the grinding table 14 under the driving of the driving mechanism 4 and push the materials into the discharging channel 13. Screening mechanism 6 sets up in the bottom of organism 1 to communicate with discharging channel 13, screening mechanism 6 is used for sieving the material after milling.

Actuating mechanism 4 can drive roller 3 and be circumferential direction and rotation around grinding platform 14 to grind the material on the platform 14, through the fender ring 2 of design liftable, when keeping off ring 2 and stretching out and grind the platform 14 when outer, keep off ring 2 and can stop the material on grinding platform 14, avoid it to fall into discharging channel 13 in, thereby improve roller 3's the efficiency of milling. When keeping off in ring 2 retracts completely grinding table 14, keep off the top of ring 2 and grind 14 surfaces of a table and flush, actuating mechanism 4 drives simultaneously again and rolls roller 3 and scrapes material mechanism 5 and rotate around the center of grinding table 14, scrapes material mechanism 5 and can scrape the material that grinds on the table 14 gradually and impel discharging channel 13 to enter into and sieve in the screening mechanism 6.

After the materials enter the screening mechanism 6, the blocky or large-particle materials are discharged from the first discharge hole 632 through vibration, and then are sent into the grinding chamber 12 together with the added waste materials to be continuously ground until the materials are qualified. And qualified powder is discharged from the second discharge hole 633 in a vibrating manner, and after being collected, the additive is added according to a certain proportion, so that the powder can become the raw material for preparing the ceramic again.

Through carrying out the grinding and the screening that circulate to useless pottery, be convenient for sieve qualified powder material fast and come out, avoided qualified ceramic powder volume to press on grinding platform 14 to influence roller 3 to the grinding of material, cause roller 3 to grind inadequately. This ceramic powder preparation facilities also has improved the yield when promoting the effect that rolls of roller 3, reduces manufacturing cost.

The feed cavity 11 is internally provided with a material separating mechanism 7, and the material separating mechanism 7 comprises a material blocking seat 71, a material separating disc 72 and a first motor 73. The material blocking seat 71 is arranged in the feeding cavity 11, an annular blanking port 15 is formed between the bottom of the material blocking seat 71 and the bottom of the feeding cavity 11, and the vertical projection of the blanking port 15 is located on the grinding table 14. The material distribution disc 72 is arranged at the top of the material blocking seat 71, the machine body 1 is provided with the feeding cylinder 16, and the feeding cylinder 16, the material distribution disc 72 and the blanking port 15 are all arranged concentrically with the grinding table 14. The first motor 73 is arranged in the material blocking seat 71 and is connected with the material distributing disc 72.

It is rotatory through first motor 73 drive branch charging tray 72, the material that falls from feed cylinder 16 falls on branch charging tray 72, under the effect of centrifugal force, the material can be got rid of on the inner wall of feed chamber 11 uniformly, then fall on the platform 14 of grinding chamber 12 along blanking mouth 15, so, can carry out effectual material to this ceramic powder preparation facilities and add, make the material add uniformly on grinding platform 14, it is inhomogeneous to have avoided the material to pile up, and cause the empty phenomenon such as grinding roller 3 or card pause, the efficiency of milling is improved.

In one embodiment, the material blocking seat 71 is fixed on the machine body 1 through a plurality of connecting columns, the material blocking seat 71 is in a shape of a circular truncated cone, the feeding cavity 11 and the milling cavity 12 are both in a shape of a cylinder, the material blocking seat 71, the feeding cavity 11 and the milling cavity 12 are concentrically arranged, and the vertical projection of the blanking port 15 is located in the projection range of the track of the rolling roller 3 rotating around the center of the milling platform 14; an accommodating cavity 711 is arranged in the material blocking seat 71, the first motor 73 is installed in the accommodating cavity 711, the material distribution disc 72 is arranged above the material blocking seat 71, a plurality of universal balls 75 used for supporting the material distribution disc 72 are arranged at the top of the material blocking seat 71, and the universal balls 75 are arranged in an annular array along the central axis of the material blocking seat 71.

Because the blanking mouth 15 is located the roller 3 around the projection within range of the 14 center pivoted orbit of roller at vertical projection, consequently, under the effect of material at centrifugal force, get rid of the inner wall of feeding chamber 11 evenly after, can fall on roller 14 along blanking mouth 15, and lie in roller 3's effective range of rolling, so, the material not only can be added to roller 14 evenly on, it is inhomogeneous to have avoided the material to pile up, and, the material can directly fall in roller 3's the range of rolling, thereby has improved the efficiency of milling. Meanwhile, the distribution plate 72 is supported by designing the plurality of universal balls 75, and under the condition that the normal rotation of the distribution plate 72 is ensured, the edge part of the distribution plate 72 can be stably supported, so that the distribution plate 72 and the first motor 73 are prevented from being damaged due to the fact that materials fall down.

In one embodiment, the grinding table 14 is provided with a receiving groove 17 concentric with the discharging channel 13, the baffle ring 2 is slidably fitted in the receiving groove 17, a plurality of first cylinders 8 are arranged in the receiving groove 17, and a piston rod of each first cylinder 8 is connected with the bottom of the baffle ring 2. Under the drive of first cylinder 8, keep off ring 2 and can stretch out outside holding tank 17 or in the holding tank 17 of withdrawal to come to block the material rolling the during operation, perhaps at needs screening during operation, withdraw completely and grind in the platform 14, be convenient for scrape material mechanism 5 with the material scrape advance in discharging channel 13.

In one embodiment, the number of the scraping mechanisms 5 is two, and the scraping mechanisms 5 comprise scraping plates 51, support arms 52, guide frames 53, second air cylinders 55, angle rotating motors 56 and connecting rods 57. One end of the support arm 52 is connected with the driving mechanism 4, the guide frame 53 is fixed on the support arm 52, and the guide frame 53 is vertically matched with the mounting plate 54 in a sliding manner. A second cylinder 55 is installed on the top of the guide frame 53, a piston rod of the second cylinder 55 is connected with the top of the mounting plate 54, and a rotation angle motor 56 is installed on the bottom of the mounting plate 54. The connecting rod 57 vertically movably penetrates through the support arm 52, the connecting rod 57 can rotate relative to the support arm 52, one end of the connecting rod 57 is connected with the rotating shaft 42 of the rotating angle motor 56, and the other end of the connecting rod 57 is connected with the top of the scraper 51.

Referring to fig. 3 and 5, when the milling roller 3 is in milling operation, the scraping plate 51 is separated from the milling table 14, and the angle motor 56 rotates the scraping plate 51 by a proper angle by driving the link 57. Referring to fig. 4 and 6, when it is desired to feed the material on the grinding table 14 into the screening mechanism 6, the second cylinder 55 drives the mounting plate 54 to move downwards along the guide frame 53, so that the scraper 51 gradually descends and clings to the surface of the grinding table 14, the driving mechanism 4 simultaneously drives the grinding roller 3 and the scraper 51 to rotate around the center of the grinding table 14, and the scraper 51 gradually scrapes the material on the grinding table 14 into the discharge channel 13.

Through designing two sets of scraping mechanism 5, not only can strengthen scraping the ability and the efficiency of pushing away the material, simultaneously, refer to fig. 7, two scraper blades 51 can rotate along the equidirectional not respectively, through mutually supporting to will grind the material on the platform 14 and scrape the effective range of rolling that impels roller 3 as far as possible, so, improved this ceramic powder preparation facilities's the efficiency of milling greatly, thereby reduce the operating duration of equipment, practiced thrift manufacturing cost.

In one embodiment, the driving mechanism 4 includes a second motor 41, a rotating shaft 42, a fixing base 43, a connecting shaft 44, and a pressing spring 46. The accommodating chamber 711 is provided with a partition 76, the first motor 73 is mounted on the top of the partition 76, and the second motor 41 is mounted on the bottom of the partition 76. The rotating shaft 42 is vertically arranged on the material blocking seat 71 and is rotatably connected with the material blocking seat 71, the upper end of the rotating shaft 42 is connected with an output shaft of the second motor 41, and the rotating shaft 42 and the grinding table 14 are concentrically arranged. Fixing base 43 fixed connection is in the bottom of pivot 42, and two support arms 52 are connected on fixing base 43, are formed with the slip chamber 431 in the fixing base 43, and two guide way 432 with the intercommunication of slip chamber 431 are seted up respectively to the both sides of fixing base 43, and guide way 432 extends along vertical.

The number of the grinding rollers 3 is two, the connecting shaft 44 transversely penetrates through the guide groove 432, the sliding cavity 431 and the guide groove 432 on the other side in sequence, and two ends of the connecting shaft 44 are respectively rotatably connected with one grinding roller 3; a sliding seat 45 is vertically matched in the sliding cavity 431 in a sliding manner, and the sliding seat 45 is fixedly arranged on the connecting shaft 44 in a penetrating manner. A plurality of compression springs 46 are arranged in the sliding cavity 431, and two ends of each compression spring 46 are respectively connected with the top of the sliding seat 45 and the top of the sliding cavity 431.

When the material on the grinding table 14 is piled up too much, the grinding roller 3 can generate a displacement amount in the vertical direction in the grinding process, therefore, through sliding the sliding seat 45 in the sliding cavity 431, when the grinding roller 3 is lifted, the sliding seat 45 and the connecting shaft 44 can slide along the corresponding sliding cavity 431 and the guide groove 432, and further abut against the compression spring 46, the compression spring 46 applies downward thrust to the sliding seat 45, so that the grinding roller 3 is always compressed on the material, and the equipment damage is avoided while the grinding efficiency is improved.

In one embodiment, the sifting mechanism 6 includes a base 61, a damper spring 62, a box 63, a vibration motor 64, a screen 65, and a guide plate 66. A plurality of damping springs 62 are installed on base 61, box 63 is installed on a plurality of damping springs 62, feed inlet 631 has been seted up at the top of box 63, discharge channel 13's bottom is provided with guide cylinder 18, guide cylinder 18 stretches into in the feed inlet 631 to leave the interval with between the feed inlet 631. The vibration motor 64 is disposed on the case 63, and is configured to drive the case 63 to vibrate. The screen 65 is obliquely arranged in the box 63, a first discharge hole 632 is formed in one side of the box 63 far away from the feed inlet 631, and the first discharge hole 632 is connected with the lower end of the screen 65. The material guide plate 66 is obliquely arranged in the box body 63, the material guide plate 66 is positioned below the screen 65, a second material outlet 633 is arranged below the first material outlet 632, and the second material outlet 633 is connected with the lower end of the material guide plate 66.

The vibration motor 64 is provided with a set of adjustable eccentric blocks at two ends of the rotor shaft respectively, and the exciting force is obtained by utilizing the centrifugal force generated by the high-speed rotation of the shaft and the eccentric blocks. The box 63 is driven by the vibration motor 64 to vibrate rapidly, so that the materials on the screen 65 can be screened, the materials which cannot pass through the screen 65 roll out from the first discharge hole 632 along the screen 65, and the qualified powder passes through the screen 65, enters the material guide plate 66 and is discharged from the second discharge hole 633. The box 63 vibrated by leaving a space between the guide cylinder 18 and the feed port 631 of the box 63 does not interfere with the normal discharge of the discharge passage 13.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A ceramic powder preparation device is characterized in that: the method comprises the following steps:

the grinding machine comprises a machine body, wherein a feeding cavity, a grinding cavity and a discharging channel are sequentially arranged in the machine body from top to bottom, the feeding cavity, the grinding cavity and the discharging channel are communicated, a grinding table is formed at the bottom of the grinding cavity, the grinding table is annular, and the discharging channel is positioned in the center of the grinding table;

the baffle ring is matched on the grinding table in a lifting mode, the baffle ring and the grinding table are arranged concentrically, and when the baffle ring retracts into the grinding table, the top of the baffle ring is flush with the surface of the grinding table;

the grinding roller is arranged on the grinding table and is positioned between the retaining ring and the inner wall of the grinding cavity when the retaining ring extends out of the grinding table;

the driving mechanism is rotationally connected with the grinding roller and is used for driving the grinding roller to rotate around the center of the grinding table;

the scraping mechanism is connected with the driving mechanism, and can scrape and push the materials on the grinding table into the discharging channel when the baffle ring retracts into the grinding table;

the screening mechanism is arranged at the bottom of the machine body and is communicated with the discharge channel, and the screening mechanism is used for screening the milled materials; and

feed mechanism, feed mechanism includes:

the material blocking seat is arranged in the feeding cavity, an annular blanking port is formed between the bottom of the material blocking seat and the bottom of the feeding cavity, and the vertical projection of the blanking port is positioned on the grinding table;

the material distribution disc is arranged at the top of the material blocking seat, a feeding cylinder is arranged on the machine body, and the feeding cylinder, the material distribution disc and the blanking port are all arranged concentrically with the grinding table; and

the first motor is arranged in the material blocking seat and is connected with the material distributing disc.

2. The ceramic powder production apparatus according to claim 1, characterized in that: the material blocking seat is fixed on the machine body through a plurality of connecting columns and is in a cone frustum shape, the feeding cavity and the milling cavity are both in a cylindrical shape and are concentrically arranged, and the vertical projection of the blanking port is located in the projection range of the track of the rolling roller rotating around the center of the milling platform;

3. The ceramic powder production apparatus according to claim 1, characterized in that: grind the bench be provided with the endocentric holding tank of discharging channel, keep off ring sliding fit and be in the holding tank, be provided with a plurality of first cylinders in the holding tank, every the piston rod of first cylinder with the bottom of keeping off the ring is connected.

4. The ceramic powder production apparatus according to claim 2 or 3, characterized in that: the quantity of scraping the material mechanism is two sets of, scrape the material mechanism and include:

a squeegee;

one end of the support arm is connected with the driving mechanism;

the guide frame is arranged on the support arm, and a mounting plate is vertically matched on the guide frame in a sliding manner;

the second air cylinder is arranged at the top of the guide frame, and a piston rod of the second air cylinder is connected with the top of the mounting plate;

the corner motor is arranged at the bottom of the mounting plate; and

the connecting rod penetrates through the support arm in a vertical movable mode, the connecting rod can rotate relative to the support arm, one end of the connecting rod is connected with a rotating shaft of the corner motor, and the other end of the connecting rod is connected with the top of the scraper.

5. The ceramic powder production apparatus according to claim 4, characterized in that: the drive mechanism includes:

the accommodating cavity is internally provided with a partition plate, the first motor is arranged at the top of the partition plate, and the second motor is arranged at the bottom of the partition plate;

the rotating shaft is vertically arranged on the material blocking seat and is rotationally connected with the material blocking seat, the upper end of the rotating shaft is connected with an output shaft of the second motor, and the rotating shaft and the grinding table are concentrically arranged;

the support arm is connected to the fixed seat, a sliding cavity is formed in the fixed seat, two guide grooves communicated with the sliding cavity are formed in two sides of the fixed seat respectively, and the guide grooves extend vertically;

the number of the grinding rollers is two, the connecting shafts sequentially penetrate through the guide groove, the sliding cavity and the guide groove on the other side along the transverse direction, and two ends of each connecting shaft are respectively in rotating connection with one grinding roller; a sliding seat is vertically matched in the sliding cavity in a sliding manner and fixedly penetrates through the connecting shaft; and

and the compression springs are arranged in the sliding cavity, and two ends of each compression spring are respectively connected with the top of the sliding seat and the top of the sliding cavity.

6. The ceramic powder production apparatus according to claim 1, characterized in that: the screening mechanism includes:

a base;

a plurality of damping springs mounted on the base;

the box body is arranged on the plurality of damping springs, a feed inlet is formed in the top of the box body, a guide cylinder is arranged at the bottom of the discharge channel, and the guide cylinder extends into the feed inlet and is spaced from the feed inlet;

the vibration motor is arranged on the box body and is used for driving the box body to vibrate;

the screen is obliquely arranged in the box body, a first discharge hole is formed in one side, far away from the feed inlet, of the box body, and the first discharge hole is connected with the lower end of the screen; and

the material guide plate is obliquely arranged in the box body and located below the screen, a second discharge hole is formed below the first discharge hole, and the second discharge hole is connected with the lower end of the material guide plate.